93783-55-2 EINECS 298-250-0 Trihydrogen (4-amino-6-((6-((4-amino-6-chloro-1,3,5-triazin-2-yl)amino)-2-hydroxy-4-sulpho-1-naphthyl)azo)-5-hydroxynaphthalene-1,3-disulphonato(5-))cuprate(3-)